Home / 140,885,359.81-194,399,870.98-80,533,492.04

Finding the Fourth Proportional to 140,885,359.81, 194,399,870.98 and 80,533,492.04

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Solution

The fourth proportional to 140,885,359.81, 194,399,870.98 and 80,533,492.04 is: 111,123,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,885,359.81 : 194,399,870.98 = 80,533,492.04 : x
  2. Step 2: Convert to fraction form
    140,885,359.81/194,399,870.98 = 80,533,492.04/x
  3. Step 3: Cross multiply
    140,885,359.81x = 194,399,870.98 × 80,533,492.04
  4. Step 4: Simplify right side
    140,885,359.81x = 15,655,700,461,742,190
  5. Step 5: Solve for x
    x = 15,655,700,461,742,190/140,885,359.81
  6. Step 6: Final answer
    x = 111,123,685.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.